CVE detail

CVE-2020-1630 — CVE-2020-1630

Published 2020-04-08 · Modified 2026-06-17 · Vendor juniper · Product junos · Source nvd
MEDIUM
severity
CVSS-derived band
5.0
CVSS v3
0–10 scale
0.0022
EPSS probability
exploitation probability, 30d
13.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

Description

A privilege escalation vulnerability in Juniper Networks Junos OS devices configured with dual Routing Engines (RE), Virtual Chassis (VC) or high-availability cluster may allow a local authenticated low-privileged user with access to the shell to perform unauthorized configuration modification. This issue does not affect Junos OS device with single RE or stand-alone configuration. This issue affects Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S14; 12.3X48 versions prior to 12.3X48-D86, 12.3X48-D90; 14.1X53 versions prior to 14.1X53-D51; 15.1 versions prior to 15.1R7-S6; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190; 15.1X53 versions prior to 15.1X53-D592; 16.1 versions prior to 16.1R4-S13, 16.1R7-S6; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R2-S11,

Remediation

vendor remediation guidance

The following software releases have been updated to resolve this specific issue: 12.3R12-S14, 12.3X48-D86, 12.3X48-D90, 14.1X53-D51, 15.1R7-S6, 15.1X49-D181, 15.1X49-D190, 15.1X53-D592, 16.1R4-S13, 16.1R7-S6, 16.2R2-S10, 17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R3-S3, 17.2X75-D110, 17.2X75-D44, 17.3R3-S6, 17.4R2-S6, 17.4R3, 18.1R3-S7, 18.2R2-S5, 18.2R3-S1, 18.2X75-D12, 18.2X75-D33, 18.2X75-D411, 18.2X75-D420, 18.2X75-D60, 18.3R1-S5, 18.3R1-S6, 18.3R2-S1, 18.3R2-S3, 18.3R3, 18.4R1-S4, 18.4R1-S5, 18.4R2-S1, 18.4R3, 19.1R1-S2, 19.1R2, 19.2R1-S1, 19.2R2, 19.3R1, and all subsequent releases.

workarounds

Disallow unprivileged authenticated users access to Junos shell. Limit shell access to only trusted administrators.

ProductVulnerable rangeFixed versionAdvisory
Juniper Networks Junos OS>=12.3<12.3R12-S1412.3R12-S14advisory ↗
Juniper Networks Junos OS>=12.3X48<12.3X48-D86, 12.3X48-D9012.3X48-D86, 12.3X48-D90advisory ↗
Juniper Networks Junos OS>=14.1X53<14.1X53-D5114.1X53-D51advisory ↗
Juniper Networks Junos OS>=15.1<15.1R7-S615.1R7-S6advisory ↗
Juniper Networks Junos OS>=15.1X49<15.1X49-D181, 15.1X49-D19015.1X49-D181, 15.1X49-D190advisory ↗
Juniper Networks Junos OS>=15.1X53<15.1X53-D59215.1X53-D592advisory ↗
Juniper Networks Junos OS>=16.1<16.1R4-S13, 16.1R7-S616.1R4-S13, 16.1R7-S6advisory ↗
Juniper Networks Junos OS>=16.2<16.2R2-S1016.2R2-S10advisory ↗
Juniper Networks Junos OS>=17.1<17.1R2-S11, 17.1R3-S117.1R2-S11, 17.1R3-S1advisory ↗
Juniper Networks Junos OS>=17.2<17.2R1-S9, 17.2R3-S317.2R1-S9, 17.2R3-S3advisory ↗
Juniper Networks Junos OS>=17.3<17.3R3-S617.3R3-S6advisory ↗
Juniper Networks Junos OS>=17.4<17.4R2-S6, 17.4R317.4R2-S6, 17.4R3advisory ↗
Juniper Networks Junos OS>=18.1<18.1R3-S718.1R3-S7advisory ↗
Juniper Networks Junos OS>=18.2<18.2R2-S5, 18.2R3-S118.2R2-S5, 18.2R3-S1advisory ↗
Juniper Networks Junos OS>=18.3<18.3R1-S5, 18.3R2-S1, 18.3R318.3R1-S5, 18.3R2-S1, 18.3R3advisory ↗
Juniper Networks Junos OS>=18.4<18.4R1-S4, 18.4R2-S1, 18.4R318.4R1-S4, 18.4R2-S1, 18.4R3advisory ↗
Juniper Networks Junos OS>=19.1<19.1R1-S2, 19.1R219.1R1-S2, 19.1R2advisory ↗
Juniper Networks Junos OS>=19.2<19.2R1-S1, 19.2R219.2R1-S1, 19.2R2advisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.